Gregarious geophyte, up to 400 mm tall. Corm ovoid with a knee-shaped, horizontal tuber of previous year attached to it. Filaments with a thick bulge in middle. Style long, with a small, apical stigma. Flowers pale mauve and green.
Slender glaucous plants 5-40 cm high. Corm ovoid with a knee-shaped horizontal tuber of the previous year attached to it. Stems flexuose, leafless in lower part but covered by a tubular bract. Leaves ascending, somewhat fleshy, lamina slightly folded, emerging from a long tubular leaf sheath, linear, 5-15 cm long, 5 mm broad, apex acute. Flowers forming a loose apical raceme with the upper axillary leaves reduced; pedicels erect in flower, looped downwards in fruit, 2.5 cm long. Perianth deciduous, patent or reflexed, depending on stage of development, pale mauve and green with oblong, apiculate segments 3.5 mm long, 1.5 mm broad. Stamens opposite the segments, with very short filaments which have an orbicular swelling in the middle, anthers versatile. Ovary ovoid with many ovules; style about as long as the ovary, semi-persistent, stimga minute, apical. Capsule globose to cylindrical, up to 20 mm long, 15 mm broad but usually smaller, with grey-brown thin walls. Seeds oblong-rounded, 3 by 4 mm, minutely papillate, brownish, raphe ending in a small apiculus at the opposite end of the funicle.